Add pwm1/backlight support nodes for imx8mm_evk board
Signed-off-by: Tommaso Merciai <tommaso.merc...@amarulasolutions.com>
---
arch/arm/dts/imx8mm-evk.dtsi | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/arch/arm/dts/imx8mm-evk.dtsi b/arch/arm/dts/imx8mm-evk.dtsi
index 60179e006d..e7a2bd8a64 100644
--- a/arch/arm/dts/imx8mm-evk.dtsi
+++ b/arch/arm/dts/imx8mm-evk.dtsi
@@ -41,6 +41,15 @@
enable-active-high;
};
+ backlight: backlight {
+ status = "disabled";
+ compatible = "pwm-backlight";
+ pwms = <&pwm1 0 5000000>;
+ brightness-levels = <0 255>;
+ num-interpolated-steps = <255>;
+ default-brightness-level = <250>;
+ };
+
ir-receiver {
compatible = "gpio-ir-receiver";
gpios = <&gpio1 13 GPIO_ACTIVE_LOW>;
@@ -350,6 +359,12 @@
status = "okay";
};
+&pwm1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_backlight>;
+ status = "disabled";
+};
+
&iomuxc {
pinctrl_fec1: fec1grp {
fsl,pins = <
@@ -491,4 +506,10 @@
MX8MM_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0x166
>;
};
+
+ pinctrl_backlight: backlightgrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_GPIO1_IO01_PWM1_OUT 0x06
+ >;
+ };
};
--
2.25.1
